28746380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110563}}^1$

素因数の和:110585

約数の個数: 24

約数和(自身を含む): 65011632

約数和(自身を除く): 36265252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110563, 221126, 442252, 552815, 1105630, 1437319, 2211260, 2874638, 5749276, 7186595, 14373190, 28746380]

約数ペア:

[(1, 28746380), (2, 14373190), (4, 7186595), (5, 5749276), (10, 2874638), (13, 2211260), (20, 1437319), (26, 1105630), (52, 552815), (65, 442252), (130, 221126), (260, 110563)]